Novel metrics and LSH algorithms for unsupervised, real-time anomaly detection in multi-aspect data streams

Given a vast online stream of transactions in e-markets, how can we detect fraudulent traders and suspicious behaviors in an unsupervised manner? Can we detect them in constant time and memory? Fraud detection in e-markets is increasingly challenging due to the scale and complexity of multi-aspect d...

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Bibliographic Details
Main Authors: Samira Khodabandehlou, Alireza Hashemi Golpayegani
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:Engineering Science and Technology, an International Journal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2215098625001740
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